1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
3
Table
1.
Summary
of
climatic
for
the
period
19A9-
data
by
months
for
1987—88
crop year
(September
thru
August)
and
averages
88
at
the
Northwestern
Agricultural
Research
Center,
Kalispell,
MT.
Sept.
ITEM
1987
Oct.
1987
Nov.
1987
Dec.
1987
Jan.
1988
Feb.
1988
Mar.
1988
Apr.
1988
May
1988
June
1988
July
1988
Aug.
Total
or
1988
Average
Precipitation
(inches)
Current
Year
0.81
0.12
0.91
1.18
0.98
1.03
0.77
1.36
3.60
1.98
1.07
0.13
13.94
Avg.
1949
to
1987-88
1.64
1.34
1.43
1.63
1.52
1.19
1.14
1.40
2.27
2.77
1.52
1.55
19.40
Mean
Temperature
(F)
Current
Year
56.1
43.2
35.3
25.4
20.5
30.3
37.8
45.7
51.4
60.9
63.7
63.9
44.5
Avg.
1949
to
1987-88
53.4
43.3
32.5
25.7
21.9
28.0
33.8
43.2
51.7
58.5
64.0
63.0
43.3
Last
killing
frost
in
spring
1988
Avg.
1949-88
May
3
May
24
(30
degrees
F)
First
killing
frost
in
fall
1988
Avg.
1949-88
September
12
September
13
(30
degrees
F)
Frost
Free
Period
1988
Avg.
1949-88
131
days
112
days
Maximum
summer
temperature
92
degrees
F
on
July
22
and
August
6,
1988
Minimum
winter
temperature
17
degrees
F
below
zero
on
January
6,
1988
In
this
summary
32
degrees
is
considered
a
killing
frost.
NO
